[Bug middle-end/65962] Missed vectorization of strided stores

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65962

--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Oct 28 10:09:37 2015
New Revision: 229481

URL: https://gcc.gnu.org/viewcvs?rev=229481&root=gcc&view=rev
Log:
2015-10-28  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/65962
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Avoid creating loop carried dependences also for outer loops
        of the loop a use to replace is in.

        * gcc.dg/vect/vect-62.c: Adjust.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/vect/vect-62.c
    trunk/gcc/tree-ssa-pre.c